India, May 25 -- Karan Johar's 2019 film Kalank, which starred Varun Dhawan, Alia Bhatt and several others in lead roles, was such a major box office disaster that many called it an inerasable black mark on Dharma Productions. Recently, at the trailer launch of Hai Jawani Toh Ishq Hona Hai, filmmaker David Dhawan discussed his son's major box office flop and how it 'depressed' him.

At the trailer launch, Varun called Kalank the first flop of his career. He said, "When I had my first flop, which happened after a couple of hits, it shook me very badly. I wondered, yeh kaise ho gaya, kyun ho gaya? This is because I had a row of hits. My father always told me that it is the law of averages."

David Dhawan highlighted how the expensive film m...